Table 1 Results of diffusion tensor imaging parameters and incidence of the pyramidal tract and aberrant pyramidal tract.
| Â | Â | Right | Left | Total |
|---|---|---|---|---|
Pyramidal tract | Fractional anisotropy | 0.58 (± 0.02) | 0.59 (± 0.02) | 0.59 (± 0.02) |
|  | Mean diffusivity | 0.82 (± 0.03) | 0.82 (± 0.04) | 0.82 (± 0.04) |
|  | Tract volume | 580.72 (± 188.13) | 605.1 (± 209.99) | 592.91 (± 199.19) |
| Â | Incidence | 93 (100%) | 93 (100%) | 186 (100%) |
Aberrant Pyramidal tract | Fractional anisotropy | 0.53 (± 0.02) | 0.54 (± 0.03) | 0.53 (± 0.02) |
|  | Mean diffusivity | 0.81 (± 0.03) | 0.80 (± 0.02) | 0.81 (± 0.03) |
|  | Tract volume | 189.25 (± 136.64) | 195.07 (± 135.44) | 191.65 (± 134.10) |
| Â | Incidence | 20 (21.5%) | 14 (15.0%) | 34 (18.3%) |